Single-wire trolley.



0. A. JILLSON & H. G. ANDREWS.

SINGLE WIRE TROLLEY.

APPLICATION FILED JUNE 22. I916.

Patented Nov. 21, 1916.

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a vvue/wtou EAJwuSUN Ann UNTTED TATE$ re TENT @iFFltlE.

GEORGE A. JILLSON AND HENRY G.

ANDREWTS, OF SACRAMENTO, CALIFORNIA,

ASSIGNORS TO HENRY P. ANDREWS AND JOHN J. WOZETHINGTON, OF THE COUNTY OF SACRAMENTO, CALIFORNIA.

SIN GLE-W' IRE TROLLEY.

Application filed June 2 2, 1916.

To all whom it may concern Be it known that we, GEORGE A. JiLLsoN and l-lnnnr G. ANDREWS, citizens of the United States, residing at Sacramento, in the county of Sacramento and State of California, have invented certain new and useful lniiprovements in Single-Wire Trolleys; and we do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to V which it appertains to make and use the same.

Our invention which relates broadly to improvements in electric railways has for its object to provide a simply constructed and inexpensive trolley for use on electric cars to permit the cars on a double track road to employ the same trolley wire.

WVith this general object in view, the invention resides in certain novel features of construction and in unique combinations of parts to be hereinafter fully described and claimed, the descriptive matter being sup plemented by the accompanying drawings which constitute a part of this application and in which Figure 1 is a diagrammatic side elevation of a pair of oppositely moving cars on a double track railway showing two of the improved trolleys in use; Fig. 2 is a top plan view of the parts shown in Fig. 1; Fig. 3 is a partial end elevation of one of the cars in one manner in which the trolley may be mounted thereon; Figs. 4 and 5 are diagrams disclosed in the manner in which the trolleys of oppositely moving cars success fully pass each other; Fig. 6 is an enlarged top plan of one trolley; and Fig. 7 is a transverse section thereof on the plane of the line 77 of Fig. 6.

In specifically describing the structure shown in the drawings above briefly described, similar characters will be employed to designate corresponding parts throughout the several views and reference will be herein made to the numerous elements by their respective indices. To this end C and C designate a pair of electric cars traveling in opposite directions on the tracks T and T of a double-track railway, a single trolley wire WV being employed between the two tracks for supplying current to both cars, the single wire for this purpose being permitted by the nature of the present invention.

Specification of Letters Patent.

Patented Nov. 21, lilfifi.

Serial No. 105,244.

A substantially right angular trolley pole 1 is connected in any suitable manner with one side of each car, he upper end of said pole being extended laterally in a horizontal direction to form a shaft 2 having a reduced outer end 3 underlying the wire TV. A sleeve 4 is rotatably mounted on the reduced end 3 and is held against dislocation by a nut or the like 5, said sleeve having mounted thereon a pair of cross arms 6 which are disposed in spaced relation and provided with central openings through which the sleeve 3 passes, both of said arms being secured in any suitable manner to the sleeve.

A pair of rollers 7 extend between and are rotatably supported by the front and rear ends of the arms 6, these ends being beveled on one edge as shown at 8, the bevels 8 of the trolley of one car being disposed upwardly, while those of the other are presented, downwardly. This permits one trolley to ride beneath the other when the two come in contact as the cars are passing in opposite directions, it being obvious that the bevels or inclines will engage to permit this as shown in diagram in Figs. 4 and 5.

All cars running in one direction on one of the tracks will have their trolleys set to dispose the bevels 8 upwardly but at the completion of the trip. said trolleys will be inverted to present said bevels downwardly, and for readily inverting the trolleys when necessary we have provided the inner end of the sleeve -l with a sprocket wheel 9 around which a sprocket chain 10 passes, the ends of said chain being connected with a pair of cables 11 which extend through a flexible tube or the like 12 to a suitable point upon the car. It will thus be evident that by pulling one cable or the other, the trolley may be set as required. The sprocket wheel 9 is preferably braced in respect to the inner arm 6 by any suitable braces such as those indicated at 18.

From the foregoing, taken in connection with the accompanying drawings, it will be obvious that we have provided an extremely simple, yet a highly efficient trolley for permitting oppositely moving cars on difierent tracks to employ the same trolley wire, thus effecting a great saving in the building of electric railways.

In conclusion, we will state that although we have shown and described certain specific details of construction for the attainment of probably the best results, numerous changes may be made within the scope of the invention as claimed without sacrificing the main advantages thereof. Furthermore, although but one manner of attaching the trolley pole to the car is shown for illustrative purposes, it is to be understood that this may be done in any suitable manner.

e claim as our invention:

1. A trolley for permitting electric cars on a double-track railway to employ a single wire between said tracks, said trolley comprising a pair of parallel side members adapted to travel on opposite sides of the wire, one or more rollers mounted rotatably between said members and adapted to engage the under side of the wire, one edge of said members being inclined at one end, and means for inverting said members at will to dispose the incline thereof upwardly or downwardly.

2. A trolley for permitting electric cars on a double-track railway to employ a single wire between said tracks, said trolley comprising a shaft to be mounted on and extend laterally from a car, a sleeve mounted rotatably on the outer end of said shaft, a pair of cross arms secured between their ends on said sleeve, one or more rollers extending between said cross arms and adapted to travel on the lower side of the wire, one edge of said cross arms being inclined at one end to permit the passage of additional arms on another car thereunder, and means connected with the inner end of the sleeve for rotating the same, whereby to invert the cross arms at will to dispose the inclines thereof upwardly or downwardly.

3. A trolley for permitting cars on a double track railway to receive current from a single trolley wire'between the two tracks, said trolley comprising an invertible member to travel on the under side of the trol- 45 ley wire, said member having means serving i when said trolley is in one position to direct an oppositely moving trolley downwardly and serving when the trolley is inverted to cause it to travel beneath an oppositely mov- 5O ing trolley.

In testimony whereof we have hereunto set our hands in the presence of two subscribing witnesses. I

GEORGE A. JILLSON. V HENRY Gr. ANDREWS.

Vitnesses:

SAMUEL BUTLER, ELIZABETH C. TS'CHIRI-IART.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, I). C.

It is hereby certified that Letters Patent No. 1,205,350, granted November 21,

1916, upon the application of George A. Jillson and Henry G. Andrews, of Sacramento, California, for an improvement in Single-Wire Trolleys, were erroneously issued to Henry P. Andrews and John J. Worthington as assignees of the entire interest in said invention, Whereas said Letters Patent should have been issued to the inventors, said J moon and Henry G. Andrews, and Henry P. Andrews and John J. Worthington jointly, said Henry P. Andrews and Worthington being assignees of one-half interest only in said invention, as shown by the records of assignments in this office; and that the said Letters Patent should be read with this correction therein that the same may conform to the record of the case in the Patent Office.

Signed and sealed this 19th day of December, A. D., 1916.

R. F. WHITEHEAD,

Acting Commissioner of Patents.

[SEAL] 

